reduplicature|rɪˈdjuːplɪkeɪtjʊə(r)| [f. as prec. + -ure. Cf. duplicature.] = reduplication 1 b. 1836–9Todd Cycl.Anat. II. 587/2 The reduplicature of the lining membrane.1884Sedgwick & Heathcote tr.Claus' Zool. I. 416 A..laterally compressed bivalve shell, formed by a reduplicature of the skin.